Initial commit: PodcastYes — AI podcast platform

lib/billing/catalog.ts

@@ -0,0 +1,50 @@
+import { PLAN_ORDER, type PlanKey } from "./plans";
+
+export type BillingInterval = "month" | "year";
+
+/**
+ * Maps plan keys ↔ provider price/plan IDs, read from env. This is the bridge
+ * between our provider-agnostic plan catalog and Stripe/PayPal. Set the matching
+ * env vars (STRIPE_PRICE_*, PAYPAL_PLAN_*) for the paid tiers.
+ */
+const STRIPE_PRICE_ENV: Record<Exclude<PlanKey, "free">, Record<BillingInterval, string | undefined>> = {
+  creator: { month: process.env.STRIPE_PRICE_CREATOR_MONTHLY, year: process.env.STRIPE_PRICE_CREATOR_YEARLY },
+  pro: { month: process.env.STRIPE_PRICE_PRO_MONTHLY, year: process.env.STRIPE_PRICE_PRO_YEARLY },
+  agency: { month: process.env.STRIPE_PRICE_AGENCY_MONTHLY, year: process.env.STRIPE_PRICE_AGENCY_YEARLY },
+};
+
+// PayPal plans are created per tier (one billing cycle each); we key by tier and
+// optionally distinguish interval if you create yearly PayPal plans too.
+const PAYPAL_PLAN_ENV: Record<Exclude<PlanKey, "free">, string | undefined> = {
+  creator: process.env.PAYPAL_PLAN_CREATOR,
+  pro: process.env.PAYPAL_PLAN_PRO,
+  agency: process.env.PAYPAL_PLAN_AGENCY,
+};
+
+export function stripePriceId(plan: PlanKey, interval: BillingInterval): string | undefined {
+  if (plan === "free") return undefined;
+  return STRIPE_PRICE_ENV[plan]?.[interval];
+}
+
+export function planFromStripePrice(priceId: string): { plan: PlanKey; interval: BillingInterval } | null {
+  for (const plan of PLAN_ORDER) {
+    if (plan === "free") continue;
+    const intervals = STRIPE_PRICE_ENV[plan];
+    if (intervals.month === priceId) return { plan, interval: "month" };
+    if (intervals.year === priceId) return { plan, interval: "year" };
+  }
+  return null;
+}
+
+export function paypalPlanId(plan: PlanKey): string | undefined {
+  if (plan === "free") return undefined;
+  return PAYPAL_PLAN_ENV[plan];
+}
+
+export function planFromPaypalPlan(paypalPlanId: string): PlanKey | null {
+  for (const plan of PLAN_ORDER) {
+    if (plan === "free") continue;
+    if (PAYPAL_PLAN_ENV[plan] === paypalPlanId) return plan;
+  }
+  return null;
+}